استفاده از گاو ماده جهت بارکشی و اثرات آن بر روی تولید شیر و تولید مثل
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A total of 25,471 Iranian Holstein heifers distributed in 523 herds of 20 provinces were used to estimate heritability, genetic and phenotypic associations between a number of traits related to the production and reproduction performance. The Animal Breeding Centre of Iran collected the records studied in this research between 1991 and 2001. The traits associated with production were 305-day, 2...
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Journal title
volume 4 issue 4
pages 67- 67
publication date 1991-12-22
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